docs: def add_options(self):
          """ Add program options.
          """
          super(RtorrentQueueManager, self).add_options()
          self.jobs = None
          self.httpd = None
  
          # basic options
          self.add_bool_option("-n", "--dry-run",
              help="advise jobs not to do any real work, just tell what would happen")
          self.add_bool_option("--no-fork", "--fg", help="Don't fork into background (stay in foreground and log to console)")
          self.add_bool_option("--stop", help="Stop running daemon")
          self.add_bool_option("--restart", help="Stop running daemon, then fork into background")
          self.add_bool_option("-?", "--status", help="Check daemon status")
          self.add_value_option("--pid-file", "PATH",
              help="file holding the process ID of the daemon, when running in background")
          self.add_value_option("--guard-file", "PATH",
              help="guard file for the process watchdog")